英语词汇semimajor axis怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	semimajor axis
释义	semimajor axis noun Geometry either of the halves of the major axis of an ellipse 【几何】（椭圆的）半长轴。
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